http://arxiv.org/abs/1702.02494
In some planetary systems the orbital periods of two of its members present a commensurability, usually known by mean-motion resonance. These resonances greatly enhance the mutual gravitational influence of the planets. As a consequence, these systems present uncommon behaviours and their motions need to be studied with specific methods. Some features are unique and allow us a better understanding and characterisation of these systems. Moreover, mean-motion resonances are a result of an early migration of the orbits in an accretion disk, so it is possible to derive constraints on their formation. Here we review the dynamics of a pair of resonant planets and explain how their orbits evolve in time. We apply our results to the HD45365 planetary system
A. Correia, J. Delisle and J. Laskar
Thu, 9 Feb 17
24/67
Comments: invited review; comments and feedback welcome